Test Description

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

The number below refer to the step number on the diagnostic table.

3: This step checks for an open in the ground circuits.

DTC B1349

Step	Action	Yes	No
Schematic Reference: Body Control System Schematics Connector End View Reference: Body Control System Connector End Views
1	Did you perform the Diagnostic System Check for the system in which the symptom appeared?	Go to Step 2	Go to the appropriate Diagnostic System Check for the symptom
2	Install a scan tool. Turn ON the ignition, with the engine OFF. With a scan tool, observe the following parameters in the BCM input data list. Theater Dim 1 Ground Theater Dim 2 Ground Doors System Gnd Loads System Gnd Electronic System Gnd Does the scan tool display Active for all 5 parameters?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Test the ground circuit that does not display Active in the previous step for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 6	Go to Step 4
4	Inspect for poor connections at the harness connector of the Body Control Module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 6	Go to Step 5
5	IMPORTANT: Perform the Set up New Body Control Module procedure. Refer to Body Control Module (BCM) Programming/RPO Configuration . Replace the Body Control Module. Refer to Body Control Module Replacement .Did you complete the repair?	Go to Step 6	-
6	Use the scan tool in order to clear the DTCs. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text. Does the DTC reset?	Go to Step 2	System OK